A terminal is an environment for text input/output. Inside the terminal, one runs command-line and text mode programs (including shells).
1
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2answers
64 views
What does the tilde (~) mean at the end of a filename? [duplicate]
What is the file with the ~ at the end of the filename for?
$ ls # aliased to add flags
-rwxrwxr-x 1 durrantm 2741 May 16 09:28 strip_out_rspec_prep_cmds.sh~*
drwxrwxr-x 13 durrantm 4096 May 16 ...
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votes
2answers
23 views
Emacs “jump to class definition” functionality?
I want to jump to a class file "A" from another file "B" which defines objects "A". In eclipse, it is done using F3. Is there a way to achieve this in emacs?
3
votes
1answer
28 views
Start a song from a specific time in rhythmbox using command line
I would like to start a song from my terminal, starting from the first min.
i.e.: the command will run the music.mp3 starting from the minute 1.
I am able to run a music with
rhythmbox music.mp3
...
7
votes
1answer
134 views
“w | tail” chops text at right margin (78 characters)
Summary: w | tail chops rows after 78th column.
When I run the "w" command, it works as expected. However, when I pipe the output to "tail", it chops the output to 78 columns wide (truncates anything ...
2
votes
1answer
46 views
Separate STDOUT noise from ncurses
I am trying to run an ncurses GUI application on an ARM board. I am running it using the serial console ttyAMA0 port. But when I run the ncurses program, the other processes running in the background ...
0
votes
1answer
42 views
Finding which filesystem [duplicate]
I have an external hard drive and would like to know what kind of a file system it has.
How do I find that out using the terminal?
2
votes
3answers
42 views
Log in with specific shell at terminal login
If I log in to a system over ssh, I can use the default shell with a simple ssh user@host, or specify something like ssh user@host 'bash --norc --noprofile' or ssh user@host ksh.
Is it possible to ...
2
votes
0answers
50 views
zsh: Echoing every statement?
I have an odd problem with zsh when I switch between shells in a particular way:
Option 1 (works well):
I start a zsh shell. I switch to tcsh with /bin/tcsh, and I switch back to zsh with /bin/zsh
...
1
vote
2answers
56 views
How to install tar file (jhead) on Mac or Linux machine
I'm new to Linux and tar balls and was wondering how to properly install them on a Mac or Linux machine. I would prefer to know how to install on a mac but I just need some help understanding them. I ...
32
votes
5answers
1k views
How safe is it to cat an arbitrary file?
Sometimes when I cat a binary file by mistake, my terminal gets garbled up. Nothing a quick reset can't fix, but couldn't an attacker theoretically create a file that, when displayed on a terminal, ...
9
votes
2answers
142 views
What are the characters printed when Alt+Arrow keys are pressed?
When I press AltUp, A printed to terminal screen. Same thing happened when I pressed AltDown but B is printed instead.
Other characters that I realized;
AltLeft = D and AltRight = C
What is the ...
2
votes
3answers
96 views
How to turn off the beep only in bash tab-complete
I find the beep useful for some things, so I only want to turn it off for tab completion (I'm not asking how to completely turn it off, that has already been answered in a different question on ...
4
votes
0answers
68 views
why . and .. are listed when ls -a command executed? [duplicate]
When I execute the ls -a command, all files and folders in that directory listed, as well as . and .. are listed too.
Why is that? Are they a file or folder?
0
votes
1answer
35 views
How to map terminal shortcut from CTRL-M to another combination
I read in another post that you can type CtrlJ or CtrlM instead of the Return key in the terminal, which is great. But what I want to be able to do, is change that to another combination, for example: ...
3
votes
1answer
70 views
A script's background process is still alive after closing the terminal
This is more of a process management/signal handling question than a Bash question. It just uses Bash to explain the issue.
I'm running a Bash script in which I run a background process.
This is the ...
2
votes
1answer
48 views
Can't open Gajim
When I try to open Gajim using terminal on gnome I get the following:
Traceback (most recent call last):
File "gajim.py", line 106, in <module>
import common.configpaths
File ...
10
votes
1answer
423 views
Why don't Linux terminal emulators support full colors?
I just upgraded my gnome-terminal to use 256 colors, yet I am a bit puzzled on the reason why a terminal emulator can't support the full palette any modern desktop environment provides. I guess ...
3
votes
4answers
80 views
Getting stdin from a named pipe
What I am trying to do is run python in a terminal window and redirect it's stdin from a named pipe. Then I write to the named pipe in another terminal and have that command execute on python.
...
0
votes
0answers
23 views
Number of guake's columns at first use
I've a command in my .bashrc that shows me a file, and this file has lines with more than 80 columns, and when I open guake for the first time, these long lines are cut. Example:
# .bashrc
...
1
vote
0answers
47 views
Change the default terminal for all .desktop files?
My htop.desktop launches XTerm, but I want to change the default terminal to xfce4-terminal in all "Terminal=true" .desktop files.
0
votes
1answer
54 views
Open screen in terminal after user login [duplicate]
When a user logins to my Debian server using e.g. Putty, I need to perform the following:
It will automatically execute command screen -r MyWindow, and
the user won't be able to leave the screen ...
4
votes
2answers
114 views
How can I hook on to one terminal's output from another terminal?
I need to hook onto output of currently running terminal (tty1) from virtual terminal and capture it (running X server).
I'm pretty sure such a thing is possible by simpler means than debugging ...
1
vote
0answers
31 views
vi hangs when run in /dev/console under LXC
I'm running an Arch Linux container from within lxc. The lxc-start command connects to the internal /dev/console, on which I have agetty running using the following command:
/sbin/agetty --noclear -a ...
2
votes
4answers
77 views
Ctrl-s hang terminal emulator?
I came across a sentence in vimdoc:
Note: CTRL-S does not work on all terminals and might block
further input, use CTRL-Q to get going again.
and this key indeed hangs my vim. I was ...
1
vote
2answers
31 views
Fixed terminal status lineS instead of shell prompt?
It is common to cram useful information in the Unix shell prompt, but I have too many things I want to keep an eye on to fit it all in one prompt: current Gnu screen window, current directory, current ...
1
vote
1answer
57 views
How to open konsole in fullscreen mode?
Is there a command or better yet a setting in the config file to allow me to open konsole (the KDE terminal emulator) in fullscreen mode?
2
votes
2answers
69 views
End process from another SSH window
I forgot to use screen and I have a task that has been running for quite some time, and I do not want to lose the saved data. Basically Ctrlc will end the task and save the data if I am on the same ...
0
votes
1answer
54 views
Move terminal emulator process from xorg to tty? [duplicate]
Is it possible (and if so, how?) to move a process from a terminal emulator running in X to a different virtual terminal, so that I can restart the X server without killing the process running in the ...
2
votes
2answers
64 views
Highlighting command in terminal
I am running long builds with lots of data that I need to read through after each build. But I have to start from bottom up to reach to top and it takes lot of time as all the text looks same.
I was ...
1
vote
2answers
58 views
Mapping intr to del key
I am in the process of migrating a legacy 4GL application from SCO OpenServer 5.0.7 to CentOS (Red Hat) Linux 5.9.
There are a number of screens that prompt the user to press "DEL to ABORT" but is ...
1
vote
2answers
109 views
Horizontal Scrolling in Terminal
So there are I believe 2 questions on this already. All of them to do with tail -f and hence people give the tangent answer of "use less".
I need it for everything, every command, etc. The problem ...
0
votes
1answer
121 views
Centos freeing up disk space
I have a CentOS server running Plesk and it's run out of space on the plesk partition. I have narrowed down where a lot of the disk space is being used, but I'm not sure how to move forward. Can I ...
1
vote
0answers
45 views
Huawei modem change auto answer settings
Is there a way to change Huawei modem ATS0=1 command to be permanently set, so that there would not be need to send that command every time when modem is plugged in ?
On each modem-plugin command is ...
2
votes
1answer
73 views
How to detect if a program is not run from a terminal
If I am running a reverse TCP shell and attempt to run su, I get the following message:
su: must be run from a terminal
I would like to emulate this behavior in my own program and am wondering how ...
1
vote
2answers
68 views
Invoke a command/script disconnected from the controlling terminal?
I'm investigating the behaviour of a script that is normally run as an automated process (e.g. cron, Jenkins). The script can (eventually) invoke commands that behave differently (seeking user input) ...
2
votes
1answer
98 views
What's those underscore commands?
When I tab tab _ in terminal, Bash suggests 206 posibilities. I tried to run one of them _git_rm but nothing happend, what are they?
Here is a screenshot:
1
vote
2answers
96 views
change terminal window default location
How do I change the default gnome-terminal location on screen. I checked out the preferences but they only have option to change default size. I also checked out .gconf/apps/gnome-terminal/ but didnt ...
0
votes
1answer
58 views
How to change keyboard speed in the Linux console? [duplicate]
When I press Ctrl + Alt + F1 the desktop environment disappears and a terminal window appears. Pressing Ctrl + Alt + F7 brings me back to DE.
This terminal is useful when the DE hangs for some reason ...
3
votes
1answer
139 views
Switch between tabs in gnome-terminal with keyboard?
Once creating a new tab in gnome-terminal with ctrl+shift+t how can I switch back and forth between the tabs using the keyboard? For example, in google chrome the keyboard shortcut is ctrl+tab ...
4
votes
2answers
176 views
Copy / paste text selections between tmux and the clipboard
I am running the latest version of tmux (from the git repository) and xclip (0.12), and I would like to be able to use Emacs-like keyboard bindings to move around the text in copy-mode, copy (M-w) ...
5
votes
2answers
313 views
Prevent SSH client passing TERM environment variable to server?
I'm currently using Fedora 18 gnome-terminal, then started tmux multiplexer in it. After I connected to a CentOS 5 server via ssh command, I find:
ls result has no color
tmux, screen, hexedit, htop ...
0
votes
0answers
45 views
touchpad scrolling lost when switching between physical and virtual tty
I have setup touchpad scrolling by running the following script in .xsession
$ cat ~/bin/enablescrolling
# enable two finger scroll
synclient VertTwoFingerScroll=1
synclient HorizTwoFingerScroll=1
...
1
vote
0answers
55 views
ubuntu:terminal+ssh+vim, resize
Background:
OS:ubuntu 12.04
Display: two, one is laptop, and another is a extended monitor, which is bigger.
Problem:
Open a gnome-terminal in the bigger display, and log on the remote Linux ...
5
votes
1answer
125 views
How to get background color in Emacs?
In Emacs no window mode, the background is automatically the same as the terminal (gnome-terminal). When I look at (frame-parameters) I see that (background-color . "unspecified-bg"). Well, for me, ...
0
votes
1answer
29 views
What characters in my printed boot scroll are artifacts?
I am a tech writer and I need to include a boot dump in a document. The dump the engineers gave me has some "bad characters" that I need to delete. What form does a "bad character" take? There are ...
0
votes
0answers
45 views
Send update ping to ping services in Terminal?
I want to send ping from http://www.mysite.com/rss.xml to http://rpc.pingomatic.com
Is there any way using terminal to achieve this?
5
votes
1answer
33 views
IO and other shell commands when a program is not started by a terminal
I have several launchers on my desktop for various programs, and there is a "run in a terminal" setting for those launchers.
When I check that setting, the program runs from a terminal, and logs its ...
0
votes
2answers
153 views
Why screen is not splitting my GNOME terminal?
I am working in a remote Linux box using VNC.I have a single terminal with lots of tabs opened in my system. How can I split them using the screen utility? Does the screen utility work with already ...
1
vote
1answer
159 views
Is there some sort of “no newline at eof” rules for bash scripts?
I have two files, an env file and a run file. When I deploy them to my Ubuntu Server box I get the error:
./start-admin: line 10: syntax error: unexpected end of file
If I deploy and then add a ...
2
votes
1answer
50 views
How can a bash script detect support for window titling escape characters?
I have a debug trap that runs every time I enter a command in bash that sets the window title to indicate what command is running. I'm leaving out all the configuration details and boil it down to:
...
